人体构造直射灯光素描 Indirect Lighting
在灯下阅读或学习会比在白天的自然光下消耗更多的眼睛能量，因此人造灯光里不是全光谱。
Reading or studying in this light takes more "eye energy" than in the natural light of day because artificial lighting doesn't include the full light spectrum.
当夜幕降临之后，通过人类天才的发明人造灯光，我应该体会到双重的快乐。这是大自然当黑夜来临时，为增强自己的视力而发明的。
When dusk had fallen, I should experience the double delight of being able to see by artificial light which the genius of man has created to extend the power of his sight when nature decrees darkness.
除了人造的灯光设备，开幕之夜的游客还观赏到自然的奇观——月食。
In addition to the man-made light installations, visitors on opening night were treated to a natural wonder - a lunar eclipse.
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